Editor's note: This is the fourth of a five-part series examining potential breakout players for the Oklahoma Sooners this spring.
LaRon Stokes
Year: Junior
Position: DL
Oklahoma struggled at all three levels on defense last year, but its pass rush is the biggest area of concern heading into 2019. Ronnie Perkins led the Sooners with five sacks as a true freshman, despite coming off the bench. Next were linebackers Curtis Bolton (4.5), Kenneth Murray (4.5) and Caleb Kelly (3). There were only two other edge rushers, Mark Jackson Jr. and Amani Bledsoe, with multiple sacks all season, and Jackson Jr.